 <!-- Main Sidebar Container -->
 <aside class="main-sidebar sidebar-dark-primary elevation-4">
     <!-- Brand Logo -->
     <a href="index3.html" class="brand-link">
         <img src="/dist/img/AdminLTELogo.png" alt="AdminLTE Logo" class="brand-image img-circle elevation-3"
             style="opacity: .8">
         <span class="brand-text font-weight-light">后台管理系统</span>
     </a>

     <!-- Sidebar -->
     <div class="sidebar">
         <!-- Sidebar user panel (optional) -->
         <div class="user-panel mt-3 pb-3 mb-3 d-flex">
             <div class="image">
                 <img src="/dist/img/user2-160x160.jpg" class="img-circle elevation-2" alt="User Image">
             </div>
             <div class="info">
                 <a href="#" class="d-block">Hi,retr0</a>
             </div>
         </div>

         <!-- Sidebar Menu -->
         <nav class="mt-2">
             <ul class="nav nav-pills nav-sidebar flex-column" data-widget="treeview" role="menu"
                 data-accordion="false">
                 <!-- Add icons to the links using the .nav-icon class
             with font-awesome or any other icon font library -->
                 <!-- <li class="nav-item has-treeview menu-open">
                     <a href="#" class="nav-link active">
                         <i class="nav-icon fas fa-tachometer-alt"></i>
                         <p>
                             Starter Pages
                             <i class="right fas fa-angle-left"></i>
                         </p>
                     </a>
                     <ul class="nav nav-treeview">
                         <li class="nav-item">
                             <a href="#" class="nav-link active">
                                 <i class="far fa-circle nav-icon"></i>
                                 <p>Active Page</p>
                             </a>
                         </li>
                         <li class="nav-item">
                             <a href="#" class="nav-link">
                                 <i class="far fa-circle nav-icon"></i>
                                 <p>Inactive Page</p>
                             </a>
                         </li>
                     </ul>
                 </li> -->
                 <!-- 1.首页
                 2.商品数据管理
                 3.用户数据管理
                 4.订单数据管理
                 5.banner图管理 -->
                 <li class="nav-item">
                     <a href="/" class="nav-link <%= activeIndex === 0 ? "active" : ""%>">
                         <i class="nav-icon fas fa-home    "></i>
                         <p>
                             首页
                             <!-- <span class="right badge badge-danger">New</span> -->
                         </p>
                     </a>
                 </li>
                 <li class="nav-item">
                     <a href="/goods" class="nav-link <%= activeIndex === 1 ? "active" : ""%>">
                         <i class="nav-icon fas fa-shopping-bag"></i>
                         <p>
                             商品数据管理
                             <!-- <span class="right badge badge-danger">New</span> -->
                         </p>
                     </a>
                 </li>

                 <li class="nav-item">
                     <a href="/users" class="nav-link <%= activeIndex === 2 ? "active" : ""%>">
                         <i class="nav-icon fas fa-people-carry"></i>
                         <p>
                             用户数据管理
                             <!-- <span class="right badge badge-danger">New</span> -->
                         </p>
                     </a>
                 </li>
                 <li class="nav-item">
                     <a href="/order" class="nav-link <%= activeIndex === 3 ? "active" : ""%>">
                         <i class="nav-icon fas fa-mail-bulk"></i>
                         <p>
                             订单数据管理
                             <!-- <span class="right badge badge-danger">New</span> -->
                         </p>
                     </a>
                 </li>
                 <li class="nav-item">
                     <a href="/banner" class="nav-link <%= activeIndex === 4 ? "active" : ""%>">
                         <i class="nav-icon fas fa-photo-video"></i>
                         <p>
                             banner图管理
                             <!-- <span class="right badge badge-danger">New</span> -->
                         </p>
                     </a>
                 </li>

             </ul>
         </nav>
         <!-- /.sidebar-menu -->
     </div>
     <!-- /.sidebar -->
 </aside>